Use gender neutral language in comments for #inclusivefixit

Test: treehugger
Change-Id: Ib3ef3a931e1b5481a35b18e2f72d9a86fcd2a286
diff --git a/src/itf/IPlay.cpp b/src/itf/IPlay.cpp
index acee3ff..3dcffcd 100644
--- a/src/itf/IPlay.cpp
+++ b/src/itf/IPlay.cpp
@@ -75,7 +75,7 @@
 
             case (SL_PLAYSTATE_STOPPING << 2) | SL_PLAYSTATE_PAUSED:
             case (SL_PLAYSTATE_STOPPING << 2) | SL_PLAYSTATE_PLAYING:
-                // wait for other guy to finish his transition, then retry ours
+                // wait for someone else to finish their transition, then retry ours
                 continue;
 
             case (SL_PLAYSTATE_PAUSED   << 2) | SL_PLAYSTATE_STOPPED: